Updated: 16 Feb 2025

trailer connector plug and sockets

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Updated: 16 Feb 2025

#1

Best Choice
CURT 57020 OEM Replacement Dual-Output Vehicle-Side 7-Pin, 4-Pin Connectors, Factory Tow Package and USCAR Socket Required, Packaged

9.8

CURT

-22%

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Main highlights

WEATHER-RESISTANT — This two-way trailer wiring socket is designed to outlast weather exposure. It has a rubber gasket and spring-loaded dust covers to keep the connection points dry and protected when not in use

VERSATILE DESIGN — This dual-output connector is a great upgrade for a variety of vehicles with a USCAR socket. It provides two standard trailer wiring sockets, a 4-way flat and an RV blade 7-way round socket, allowing for versatile towing options

OEM-REPLACEMENT — This trailer wiring harness socket is designed to be a perfect OEM replacement, easily snapping into place and plugging into any industry-standard USCAR socket

-22%
#2

Value for Money
MECMO Multi-Tow 4-Way Flat to 7-Way RV Blade and 4-Way Flat Female End Trailer Wiring Adapter Connector Kit, 4 Pin Vehicle-Side Trailer Light Plug to Dual-output 7 Blade & 4 Flat with Mounting Bracket

9.7

MECMO

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Why we love it

Versatile towing with dual 4-pin and 7-pin connectors.

Easy installation with included mounting bracket and hardware.

Durable, weatherproof design with dust covers and silicone seals.

Main highlights

Dual Output Adapter
Provides dual-output 4-pin to 4 and 7-pin trailer wiring adapter for versatile towing options, including brake, reverse, and power functions.

Versatile Towing Scenarios
Ideal for users needing to connect mismatched trailer light plugs and vehicle sockets, supporting both 4-pin and 7-pin trailer connections.

Ease of Installation
Praised for its easy installation process, with many users highlighting the convenience and time-saving aspect.
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#3
NeaLia Premium 7 and 4 Pin Trailer Connector, 7 Blade Round Trailer Socket and 4 Way Flat Adapter with Bracket, Truck Trailer Plug for Towing Pickup SUV RV Camper Hitch Wiring Harness Replacement

9.5

NeaLia

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Main highlights

【MULTI-TOW KIT】NeaLia Premium 7 and 4 Pin Trailer Connector integrates 7 blade round trailer socket and 4 way flat adapter, perfect for people who go between the two plugs often, such as pickup, trucks, SUV, camper and RVs drivers; NOTE: the dual sockets cannot be used simultaneously

【MOUNTING BRACKET】The trailer plug adapter kit comes with metal mounting bracket and screws, allows easy installation without drilling holes; offering a hassle-free towing solution; NOTE: harness not included

【COPPER TERMINALS】This truck trailer plug is equipped with premium copper terminals, providing better conductivity, reduces heating and the risk of short circuits; ensuring reliable performance during towing
#4
MECMO 7 Way RV Trailer Light Connector Socket 7 Pin Wire Electrical Trailer Adapter Quick Converter with Mounting Bracket, Truck End Quick-Install 7 Prong Universal Pigtail Wiring Harness Vehicle Side

9.4

MECMO

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Main highlights

RV 7-Way Trailer Connector: - 7-Blade, RV-style trailer connector for vehicle side. 7-Way connects to towing vehicle's wiring provides full function 7-way connection to power trailer's taillights, brake lights, turn signals, reverse lights, electric trailer brakes and auxiliary power (12V+ wire)

Quick-install: - Prewired 7-way car end trailer wiring connector pigtail harness with butt connector for 7-wire RV standard color coded wire, could be directly hardwires into truck's existing wiring

Heavy Duty: - 7-way RV output socket equip with a tight-fitting spring loaded cover to keep terminals clean when not in use; MECMO trailer electrical adapter is made of rust-free black plastic, premium tin-plated copper terminals and equips black sealed tubing wire conduit, provides well-protection, great corrosion-resistance and conductivity
#5
MECMO OEM Style Replacement 7-Way RV Blade Socket, USCAR to 7-Pin Vehicle-Side Female-End Socket for Ford, GMC, Chevy, Dodge, Silverado, Sierra Trailer Plug, Factory 7 Pin & Tow Package Required

9.1

MECMO

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Main highlights

Replacement for OEM 7 Pin: - USCAR 7-pin to 7 Blade RV trailer wiring socket is a diect fit replacement OEM vehicle end trailer plug, and supply power for turn signals, taillights, auxiliary power, electric trailer brakes, reverse lights and ground

RV 7 Pin: - GM 7 pin trailer connector are commonly used on RV travel trailers for replacing the vehicle side female-end 7 way socket; Direct replacement for factory 7-way connectors for Ford, Dodge, Nissan, Jeep, Ram, Chrysler, Dodge, Porsche, Ram, Toyota, Volkswagen and most GM Vehicles with factory tow package

Bracket mount: - 7 prong trailer connector socket mount on rear bumper, provides a sturdy trailer light connection for vehicle to trailer towing; Simple plug-in, just insert into tow package port and twist in (Mounting bracket NOT included)
#6
MECMO 7-Pin Round Vehicle-Side Female-End Socket Replacement SAE J560 Style, Die-Cast Zinc Housing 7-Way Round Electrical Connector, Semi Truck Trailer Wiring Harness Car End - Sliver

9.0

MECMO

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Main highlights

Spring-Loaded Cover: - Equip with die-cast zinc spring-loaded dust cover efficiently keeps the 7 way round pin female socket clean when not in use, protect terminal from water and dust damage; Full silver-color metal dust lip provides higher protection and shiny look

Round-Pin Style: - 7-way round connectors are commonly found in commercial vehicle industry for the electrical wiring between heavy-duty truck and trailer; This silver 7 round-pin style connector is a female-end socket designed for the vehicle side of the connection can be easily interchanges with 7-way RV blade connectors a great replacement socket of your car

7-Pin Round Sae J560 Socket: - This SAE Standard provides the minimum requirements for primary and auxiliary jumper cable plug and receptacle for the truck to trailer and converter dolly jumper cable systems for 12 VDC nominal applications; 7 Pin Round Trailer Wiring Socket is is common found in Semi Truck / Commercial Vehicle / Pickup Truck / Tractor, to supply power for turn signals, taillights, auxiliary power, electric trailer brakes, reverse lights and a ground connection
#7
7 Way Trailer Plug and Socket Set for Semi Truck, Dazakoot 7-Pin Trailer Connector, Heavy Duty Die Cast Plug and Socket Assembly, 7 Way Adapter for Semi Truck Tractor Trailer

8.9

Dazakoot

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Main highlights

【Versatile Application】 Built to SAE J560 standards, this 7-pin round socket is commonly found in semi-trucks, commercial vehicles, pickup trucks, and tractors. It powers turn signals, taillights, electric brakes, reverse lights, auxiliary power, and provides a ground connection.

【Protection】 Equipped with a die-cast zinc spring-loaded dust cover, this socket stays clean and protected from water and dust when not in use. The silver metal dust lip offers added durability and a sleek look.

【Easy Installation】 The 7 way plug's user-friendly design allows for easy installation, saving time and effort. Simply connect the corresponding wires to the designated pins, and it's ready to use. This hassle-free installation process enables customers to set up their towing system quickly and efficiently.
#8
CURT 58170 Vehicle-Side 7-Pin Round Trailer Wiring Harness Socket

8.8

CURT

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Main highlights

VERSATILE DESIGN. This connector makes a great replacement 7-way wiring socket. It connectors and connects the taillights, brake lights, turn signals, reverse lights, electric trailer brakes and an auxiliary power wire

SPRING-LOADED COVER. To promote long-lasting use and weather resistance, this round 7-pin trailer wiring socket comes with a spring-loaded dust cover. It protects the 7-way connector when not in use, shielding it from the outdoor elements

DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this 4-pin trailer wiring connector is made from strong, durable die-cast metal
#9
CURT 58155 Heavy-Duty Vehicle-Side 7-Pin RV Blade Trailer Wiring Harness Connector , Black

8.7

CURT

-25%

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Main highlights

WEATHER-RESISTANT. This trailer wiring socket comes with concealed wire terminals. This helps protect the splice-in connection points for the wires, keeping them safe from dirt, rain, corrosion and other threats

STRONG PROTECTED. This heavy-duty 7-way RV blade socket is equipped with a spring-loaded dust cover and rubber seal that keep the connection points dry and protected when not in use, ensuring strong, consistent power for miles to come

RELIABLE CONNECTION. This heavy-duty 7-pin trailer wiring socket comes ready to splice into your existing vehicle wiring. It can be used to connect the taillights, brake lights, reverse lights, turn signals, trailer brakes and auxiliary power

-25%
#10
Anayguto 7 Pin Trailer Plug Connector Socket with Mounting Bracket, 7 Way Rv Trailer Light Socket Quick Converter with Butt Connector 7 Way Universal Pigtail Pure Copper Trailer Wire Vehicle Side

8.5

Anayguto

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Main highlights

【Install】7-way trailer wiring pigtail harness end with color coding butt connector.Used to troubleshoot and repair electrical problems, making rewiring quick and easy to install.allows to create custom wiring systems for camper, caravan, boat and other towed vehicles

【Durability material】7-Way connects made from heavy pvc plastic. 7-way rv output socket equip with a tight-fitting spring loaded cover can prevent dirt and corrosion. premium tin-plated copper terminals and copper wiring harness, make the conductivity good

【7 Way trailer socket application】This 7-blade rv trailer connector wiring socket for vehicle side, 7-way trailer vehicle side female-end socket Matching installed in trailers, trucks, semi-trailers, camper, caravan, cars, rvs, boat.also Matching installed in connect the reverse lights, turn signals, taillights, brake lights, , reverse lights, electric trailer brakes and auxiliary power (12V/24V/36V)

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trailer connector plug and sockets

CURT 57020 OEM Replacement Dual-Output Vehicle-Side 7-Pin, 4-Pin Connectors, Factory Tow Package and USCAR Socket Required, Packaged

9.8

Main highlights

MECMO Multi-Tow 4-Way Flat to 7-Way RV Blade and 4-Way Flat Female End Trailer Wiring Adapter Connector Kit, 4 Pin Vehicle-Side Trailer Light Plug to Dual-output 7 Blade & 4 Flat with Mounting Bracket

9.7

Why we love it

Main highlights

NeaLia Premium 7 and 4 Pin Trailer Connector, 7 Blade Round Trailer Socket and 4 Way Flat Adapter with Bracket, Truck Trailer Plug for Towing Pickup SUV RV Camper Hitch Wiring Harness Replacement

9.5

Main highlights

MECMO 7 Way RV Trailer Light Connector Socket 7 Pin Wire Electrical Trailer Adapter Quick Converter with Mounting Bracket, Truck End Quick-Install 7 Prong Universal Pigtail Wiring Harness Vehicle Side

9.4

Main highlights

MECMO OEM Style Replacement 7-Way RV Blade Socket, USCAR to 7-Pin Vehicle-Side Female-End Socket for Ford, GMC, Chevy, Dodge, Silverado, Sierra Trailer Plug, Factory 7 Pin & Tow Package Required

9.1

Main highlights

MECMO 7-Pin Round Vehicle-Side Female-End Socket Replacement SAE J560 Style, Die-Cast Zinc Housing 7-Way Round Electrical Connector, Semi Truck Trailer Wiring Harness Car End - Sliver

9.0

Main highlights

7 Way Trailer Plug and Socket Set for Semi Truck, Dazakoot 7-Pin Trailer Connector, Heavy Duty Die Cast Plug and Socket Assembly, 7 Way Adapter for Semi Truck Tractor Trailer

8.9

Main highlights

CURT 58170 Vehicle-Side 7-Pin Round Trailer Wiring Harness Socket

8.8

Main highlights

CURT 58155 Heavy-Duty Vehicle-Side 7-Pin RV Blade Trailer Wiring Harness Connector , Black

8.7

Main highlights

Anayguto 7 Pin Trailer Plug Connector Socket with Mounting Bracket, 7 Way Rv Trailer Light Socket Quick Converter with Butt Connector 7 Way Universal Pigtail Pure Copper Trailer Wire Vehicle Side

8.5

Main highlights

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